<form name="punchout_form" method="post" action="https://openapi-sandbox.dl.alipaydev.com/gateway.do?charset=UTF8&method=alipay.trade.page.pay&sign=fLzWH2KbAiz7lBlLBjLiDkrInfvsHTKrTRKeQdgImo2Y8ya5ButIl7LXu9Er1T0BO0H%2BIFF8SJgaHYeseR86SXweuQ4vJ9fdxbyQQx16xbC5Migp6CDAcVqmtM7tDyjZUZhTR1zAfSFRqTrGDVGhBpxAbxzVicoNe5zSZIz5FdCo3ln2sexbTOpsgeWmTh5XMBbrOqxVr28G5p8AGP9obCl8NBqP8MvXynpn0kis%2F4qSiKLrY5vsA9UYi0r2dGk4SnL0%2BydtL0qRWqbu2TzSr3r2ChmLmgb33FldMJPmlUUlPoRda%2BJjtACg0LzYRkFUxh1e80oIh%2BrkWQPlvlPE5g%3D%3D&notify_url=https%3A%2F%2F4ab981c.r8.vip.cpolar.cn%2Falipay%2Fnotify&version=1.0&app_id=9021000141612988&sign_type=RSA2&timestamp=2025-02-18+16%3A59%3A19&alipay_sdk=alipay-sdk-java-4.35.9.ALL&format=json">
    <input type="hidden" name="biz_content" value="{&quot;out_trade_no&quot;:&quot;12534356143161739869159788&quot;,&quot;product_code&quot;:&quot;FAST_INSTANT_TRADE_PAY&quot;,&quot;subject&quot;:&quot;我的订单&quot;,&quot;total_amount&quot;:&quot;2999.99&quot;}">
    <input type="submit" value="立即支付" style="display:none" >
</form>
<script>document.forms[0].submit();</script>